Volmate Universal LCD Digital Battery Tester - For AA/AAA/C/D/9V & Mini Cell Batteries Use this innovative item to test all different kinds of batteries (AA, AAA, C, D, 9V, mini cell) Check the power level of all 1.5V, 9V, and 1.5V miniature cells Easy-to-read 1.25" digital screen Compact design, No batteries required to operate Package Contents: 1 x Universal Battery Tester